<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title></title>
  <style type="text/css">
    body, div, ul, li, ol, dl, dt, p, dd, img, input, a, span, h1, h2, h3, h4 {
      padding: 0;
      margin: 0;
      border: 0;
      list-style: none;
    }

    .wrapper {
      width: 1000px;
      height: 475px;
      margin: 0 auto;
      margin-top: 100px;
    }

    .tab {
      border: 1px solid #ddd;
      border-bottom: 0;
      height: 36px;
      width: 320px;
    }

    .tab li {
      position: relative;
      float: left;
      width: 80px;
      height: 34px;
      line-height: 34px;
      text-align: center;
      cursor: pointer;
      border-top: 4px solid #fff;
    }

    .tab span {
      position: absolute;
      right: 0;
      top: 10px;
      background: #ddd;
      width: 1px;
      height: 14px;
      overflow: hidden;
    }

    .products {
      width: 1002px;
      border: 1px solid #ddd;
      height: 476px;
    }

    .products .main {
      float: left;
      display: none;
    }

    .products .main.selected {
      display: block;
    }

    .tab li.active {
      border-color: red;
      border-bottom: 0;
    }
  </style>
  <script src="../../../Resource/外部库/jquery-3.2.1.min.js"></script>
  <script type="text/javascript">
    $(function () {
      $(".tab li").mouseenter(function () {
        var $this = $(this),
          index = $this.index();
        //当前元素的兄弟元素移除效果
        $this.addClass("active").siblings("li").removeClass("active");

        $(".products div").eq(index).addClass("selected").siblings("div").removeClass("selected");
      });
    });
  </script>

</head>
<body>
<div class="wrapper">
  <ul class="tab">
    <li class="tab-item active">国际大牌<span>◆</span></li>
    <li class="tab-item">国妆名牌<span>◆</span></li>
    <li class="tab-item">清洁用品<span>◆</span></li>
    <li class="tab-item">男士精品</li>
  </ul>
  <div class="products">
    <div class="main selected">
      <a href="###"><img src="imgs/guojidapai.jpg" alt=""/></a>
    </div>
    <div class="main">
      <a href="###"><img src="imgs/guozhuangmingpin.jpg" alt=""/></a>
    </div>
    <div class="main">
      <a href="###"><img src="imgs/qingjieyongpin.jpg" alt=""/></a>
    </div>
    <div class="main">
      <a href="###"><img src="imgs/nanshijingpin.jpg" alt=""/></a>
    </div>
  </div>
</div>

</body>
</html>